GB8512427D0 - Tobacco smoke filter - Google Patents

Tobacco smoke filter

Info

Publication number: GB8512427D0
Authority: GB; United Kingdom
Prior art keywords: tobacco smoke; smoke filter; filter; tobacco; smoke
Prior art date: 1984-05-22
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

GB858512427A

Other versions

GB2159035A (en

GB2159035B (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Imperial Group PLC

Original Assignee

Imperial Group PLC

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1984-05-22

Filing date

1985-05-16

Publication date

1985-06-19

1984-05-22 Priority claimed from GB848413018A external-priority patent/GB8413018D0/en

1984-05-22 Priority claimed from GB848413017A external-priority patent/GB8413017D0/en

1985-05-16 Application filed by Imperial Group PLC filed Critical Imperial Group PLC

1985-06-19 Publication of GB8512427D0 publication Critical patent/GB8512427D0/en

1985-11-27 Publication of GB2159035A publication Critical patent/GB2159035A/en

1987-10-07 Application granted granted Critical

1987-10-07 Publication of GB2159035B publication Critical patent/GB2159035B/en

Status Expired legal-status Critical Current

Links

244000061176 Nicotiana tabacum Species 0.000 title 1
235000002637 Nicotiana tabacum Nutrition 0.000 title 1
239000000779 smoke Substances 0.000 title 1

Classifications

- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
- A24D3/041—Tobacco smoke filters characterised by their shape or structure with adjustable means for modifying the degree of filtration of the filter

GB08512427A 1984-05-22 1985-05-16 Improvements in or relating to tobacco smoke filters Expired GB2159035B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB848413018A GB8413018D0 (en)	1984-05-22	1984-05-22	Tobacco smoke filters
GB848413017A GB8413017D0 (en)	1984-05-22	1984-05-22	Tobacco smoke filters

Publications (3)

Publication Number	Publication Date
GB8512427D0 true GB8512427D0 (en)	1985-06-19
GB2159035A GB2159035A (en)	1985-11-27
GB2159035B GB2159035B (en)	1987-10-07

Family

ID=26287770

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08512427A Expired GB2159035B (en)	1984-05-22	1985-05-16	Improvements in or relating to tobacco smoke filters

Country Status (3)

Country	Link
US (1)	US4620553A (en)
EP (1)	EP0165704A1 (en)
GB (1)	GB2159035B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3616617A1 (en) *	1985-05-20	1986-11-20	Tobacco Research and Development Institute Ltd., Zug	CIGARETTE
US4638820A (en) *	1986-02-03	1987-01-27	R. J. Reynolds Tobacco Company	Puff control cigarette
BE1000454A4 (en) *	1987-04-09	1988-12-13	Tabacofina Nv	Mouthpiece for cigarette - comprises slightly porous core with passages between ends which can be shut off
GB8713904D0 (en)	1987-06-15	1987-07-22	Tabac Fab Reunies Sa	Filter for smoking articles
US4949736A (en) *	1988-03-16	1990-08-21	R. J. Reynolds Tobacco Company	Variable ventilation mouthpiece for a smoking article
PL314103A1 (en) *	1993-10-23	1996-08-19	Imp Tobacco Ltd	Improvement in or related to tobacco artricles
CN1109304A (en) *	1994-11-09	1995-10-04	宁宝纲	Cigarette composite filter tip
US6345625B1 (en)	1997-12-06	2002-02-12	Kar Eng Chew	Filter for secondary smoke and smoking articles incorporating the same
US20040237976A1 (en) *	2001-10-30	2004-12-02	Garthaffner Martin T.	Reed valve controlled canister
DE10245455B4 (en) *	2002-09-27	2005-08-04	Franz Rathkolb	cigarette holder
US7530357B2 (en) *	2004-08-05	2009-05-12	Edwards Jr Theodore C	Smoking enclosure
BRPI0709264B1 (en) *	2006-03-28	2018-09-18	Philip Morris Products Sa	smoking article with a restrictor
US20080047571A1 (en) *	2006-07-12	2008-02-28	Philip Morris Usa Inc.	Smoking article with plate impactor
US8353298B2 (en)	2006-07-12	2013-01-15	Philip Morris Usa Inc.	Smoking article with impaction filter segment
US8424539B2 (en)	2006-08-08	2013-04-23	Philip Morris Usa Inc.	Smoking article with single piece restrictor and chamber
US20090014020A1 (en) *	2007-03-09	2009-01-15	Philip Morris Usa Inc.	Smoking article with valve
TW200911141A (en)	2007-03-09	2009-03-16	Philip Morris Prod	Super recessed filter cigarette restrictor
TW200911138A (en)	2007-03-09	2009-03-16	Philip Morris Prod	Smoking articles with restrictor and aerosol former
TW200900014A (en)	2007-03-09	2009-01-01	Philip Morris Prod	Smoking article filter with annular restrictor and downstream ventilation
EP2253231A1 (en) *	2009-05-18	2010-11-24	Philip Morris Products S.A.	Smoking article with improved flow restriction element
US8424540B2 (en)	2009-10-09	2013-04-23	Philip Morris Usa Inc.	Smoking article with valved restrictor
US9138016B2 (en)	2010-03-26	2015-09-22	Philip Morris Usa Inc.	Smoking articles with significantly reduced gas vapor phase smoking constituents
JP6533582B2 (en)	2014-10-02	2019-06-19	ディジレッツ，インコーポレイテッド	Disposable tank type electronic cigarette, manufacturing method and use method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3628543A (en) *	1970-08-20	1971-12-21	Elliott T Bemont	Cigarette holder and filter tube
US3695274A (en) *	1970-11-30	1972-10-03	Brown & Williamson Tobacco	Piston type cigarette filter
DE2130862A1 (en) *	1971-06-22	1972-12-28	Fritz Keller	Cigarette holder or similar inhalation mouthpiece
US3685522A (en) *	1971-07-16	1972-08-22	Herbert F Kleinhans	Cigarette holder
US4433696A (en) *	1981-10-02	1984-02-28	Philip Morris Incorporated	Variable dilution filter

1985
- 1985-05-14 US US06/733,857 patent/US4620553A/en not_active Expired - Fee Related
- 1985-05-16 GB GB08512427A patent/GB2159035B/en not_active Expired
- 1985-05-16 EP EP85303441A patent/EP0165704A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
EP0165704A1 (en)	1985-12-27
GB2159035A (en)	1985-11-27
GB2159035B (en)	1987-10-07
US4620553A (en)	1986-11-04

Legal Events

Date	Code	Title	Description
1987-03-18	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
1993-01-13	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19920516

Publication	Publication Date	Title
PH25561A (en)	1991-08-08	Tobacco smoke filters
GB2166938B (en)	1987-08-26	Cigarette filters
GB8512427D0 (en)	1985-06-19	Tobacco smoke filter
GB8518385D0 (en)	1985-08-29	Tobacco smoke filters
GB2166937B (en)	1988-04-20	Tobacco smoke filters
GB2160756B (en)	1987-10-28	Improved cigarette filter
GB2154423B (en)	1987-09-23	Cigarette filter
GB2095093B (en)	1984-12-19	Tobacco smoke filters
GB2113066B (en)	1985-10-30	Tobacco smoke filter
GB2166641B (en)	1988-06-22	Improvements relating to tobacco smoke filters
DE3269792D1 (en)	1986-04-17	Tobacco smoke filters
HUT47414A (en)	1989-03-28	Smoke filter for cigarette
GB8305936D0 (en)	1983-04-07	Tobacco smoke filter
GB8413017D0 (en)	1984-06-27	Tobacco smoke filters
GB2150806B (en)	1987-12-31	Tobacco smoke filter
GB2115679B (en)	1985-09-11	Tobacco smoke filters
GB8300839D0 (en)	1983-02-16	Tobacco smoke filters
GB8413018D0 (en)	1984-06-27	Tobacco smoke filters
GB8431016D0 (en)	1985-01-16	Filtering tobacco smoke
GB8510179D0 (en)	1985-05-30	Tobacco smoke filter
GB8301206D0 (en)	1983-02-16	Tobacco smoke filters
HK84390A (en)	1990-10-25	Tobacco smoke filters
IE840861L (en)	1984-10-07	Cigarette filter
GB8426854D0 (en)	1984-11-28	Filter cigarettes
GB8413404D0 (en)	1984-07-04	Cigarette filters